OptiFinedOptiFined
Minecraft 26.1.2
26.2
26.2upcoming
26.1
26.1.226.1upcoming
1.21
1.21.111.21.101.21.91.21.81.21.71.21.61.21.41.21.31.21.11.21
1.20
1.20.61.20.41.20.21.20.11.20
1.19
1.19.41.19.31.19.21.19.11.19
1.18
1.18.21.18.11.18
1.17
1.17.11.17
1.16
1.16.51.16.41.16.31.16.21.16.1
1.15
1.15.2
1.14
1.14.41.14.31.14.2
1.13
1.13.21.13.11.13
1.12
1.12.2

Downloads for OptiFine for Minecraft 26.1.2

Official OptiFine download link for Minecraft 26.1.2, with shader support and Forge compatibility notes.

Preview
Latest build

OptiFine 26.1.2 HD U K1 pre1

2026-06-09Minecraft 26.1.2
AvailableShadersForge compatible
Download

Compatibility

OptiFine BuildMC VersionRelease DateShadersForgeDownload
OptiFine 26.1.2 HD U K1 pre126.1.22026-06-09SupportedCompatibleGet

Forge: Compatible when installed with the correct Forge version. Compatibility can vary by Minecraft and OptiFine build.

Changelog

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Installation guide

Follow these steps to install OptiFine for Minecraft 26.1.2:

  1. 1Run Minecraft 26.1.2 once in the official Launcher to make sure the version files are downloaded.
  2. 2Click Download on this page and wait for the OptiFine 26.1.2 HD U K1 pre1 .jar file.
  3. 3Double-click the downloaded .jar file — the OptiFine installer opens. Click Install.
  4. 4Open the Minecraft Launcher and pick the new OptiFine 26.1.2 profile from the dropdown next to the Play button.
  5. 5Press Play. Open Options → Video Settings to fine-tune performance and shaders.
Recommended guides
Full install guide
Step-by-step for any version
Install with Forge
Use OptiFine alongside Forge mods
Add shaders
Drop shader packs into Minecraft

About OptiFine for Minecraft 26.1.2

OptiFine for Minecraft 26.1.2 brings the full OptiFine feature set to this version: smoother framerates, shader pack support, HD texture handling, dynamic lights, connected textures, and a deeper Video Settings menu. The exact OptiFine build that matches Minecraft 26.1.2 is OptiFine 26.1.2 HD U K1 pre1.

If you also use mods, install Forge for Minecraft 26.1.2 first, run it once, then drop the OptiFine .jar into your mods folder. Mismatched Minecraft versions between Forge and OptiFine are the most common cause of crashes — always pair builds that share the same Minecraft target.